Environmental chamber for stimulating plant growth



FIG. 1 is a front view of an environmental chamber for stimulating plant growth showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof, the left side view being substantially a mirror image thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for an environmental chamber for stimulating plant growth, as shown and described. 